Creating this Mocha Cheesecake can be fun and straightforward if you follow these steps carefully:

1. Preheat the Oven: Preheat your oven to 325°F (160°C). Prepare a 9-inch springform pan by greasing it lightly.

2. Make the Crust: In a mixing bowl, combine the graham cracker crumbs, sugar, and melted butter. Mix until the crumbs are well coated.

3. Press the Crust: Press the mixture evenly into the bottom of the prepared springform pan. Use a flat object to pack it tightly.

4. Bake the Crust: Place the crust in the oven and bake for 10 minutes. Remove and let it cool slightly while preparing the filling.

5. Prepare the Filling: In a large bowl, beat the softened cream cheese until smooth. Gradually add the sugar and continue beating until combined.

6. Add Eggs: Add the eggs one at a time, mixing well after each addition. Don’t overbeat; just combine until smooth.

7. Flavor the Filling: Mix in the vanilla extract, brewed coffee, cocoa powder, and instant coffee granules (if using) until well incorporated.

8. Pour Filling: Carefully pour the cheesecake filling onto the cooled crust, smoothing the top with a spatula.

9. Bake the Cheesecake: Bake in the preheated oven for approximately 45 minutes. The edges should be set, but the center might still be slightly wobbly.

10. Cool Down: Turn off the oven and crack the door open. Let the cheesecake cool in the oven for 1 hour to prevent cracking.

11. Chill the Cheesecake: Remove from the oven and refrigerate for at least 4 hours, or ideally overnight, to ensure it sets properly.

12. Prepare the Ganache: Heat the heavy cream in a small saucepan until it begins to simmer. Remove from heat and add the chopped chocolate and butter. Stir until smooth.

13. Top the Cheesecake: Once the cheesecake has set, pour the ganache over the top, spreading it evenly.

14. Garnish: Decorate with whipped cream and chocolate shavings or a dusting of cocoa powder, if desired.

15. Serve: Release the sides of the springform pan, slice the cheesecake, and serve!